Deepak Singh5G Frequency bands— Low band, Mid band, and mm-wave5G 3GPP standard has divided the frequencies into two ranges. FR1 — frequency range 1 and FR2 — frequency range 2.3 min read·May 4, 2022----
Deepak SinghBuilding blocks for a website hostingAt a very high level — To build a hosted website, you will need a website (no surprise here), register a domain name, manage the DNS…3 min read·May 4, 2022----
Deepak SinghDNS and Root ServerIn most simplistic terms — the DNS Root server is just another DNS server.3 min read·May 4, 2022----
Deepak SinghWebsite & Web hostingWebsite and web hosting are often considered synonymous, but these are two separate things.2 min read·May 4, 2022----
Deepak SinghSNI and Virtual hostingIn the early days of HTTP, dedicated physical servers were used to host single websites. Virtualization replaced the dedicated servers…4 min read·May 1, 2022----
Deepak SinghExplained — Digital Certificate — Part 4I will conclude four-part series about digital certificates with this post. Here are the links to previous posts, Part 1, Part 2, and Part…7 min read·Mar 12, 2022----
Deepak SinghExplained — Digital Certificate — Part 3So far, I have covered the certificate basics in Part 1 & Part 2 of the four-part series about digital certificates.8 min read·Mar 11, 2022----
Deepak SinghDigital Certificate series — Part 2In the previous post, I talked about Digital Certificates, Certifying Authority, PKI models, Chain of Trust, and Root Store.6 min read·Mar 8, 2022----
Deepak SinghDigital Certificate series — Part 1This four-part series will discuss various topics related to digital certificates. I have divided the content into four different posts…5 min read·Mar 7, 2022----
Deepak SinghWhat happens when I type www.xyz.com in my browser and hit enterAt a very high level — The application (browser) tells the OS middleware (network module TCP/IP stack) to connect to a given website. The…6 min read·Feb 9, 2022----